Re: [Flexradio] PowerSDR and Falling prices

[Terry Maurice]

I have to agree with other posters here about the Flex 5000A, VU 
combination.  I did not buy mine with the VU module, but had it 
installed about a year after I bought the Flex 5000 that already had the 
tuner and second receiver.  But I am so glad that I have the entire 
package now.  A lot of my interest in amateur radio is in weak signal 
work on 2m and 70cm, so it more than meets most of my needs.  Although 
the new 6000 series is interesting and a significant technical 
development of SDR, I cannot see that spending the money on one would do 
me a whole lot of good.  In my geographically restricted locale, I don't 
have the room for very extensive HF antennas and so have not been able 
to really utilize the HF band capability of the Flex 5000A as it is.  
Buying a new 6000 series transceiver would do less to improve my 
reception abilities on these bands, than upgrading my antennas.  This, 
along with my VHF/UHF interests, is why I my decision to stay with my 
Flex 5000 for now and the foreseeable future.


I would add too, that I can't see any business rationale for Flex to 
improve the PowerSDR software beyond where they have taken it, or even 
to release the software for further development by third party 
programmers.  They are in business to sell radios and the longevity of 
their company depends on just that, selling new series 6000 models and 
the next series whatever that may be.  In my estimation, they have 
served us well with how far they took PowerSDR, which is presently at a 
higher level of development than their SmartSDR software.  I can't 
imagine a whole lot of more bells and whistles being put into PowerSDR 
that I would use anyway.  They need to focus their energies on 
delivering what the new 6000 platform can deliver and bring it to a 
level beyond PowerSDR.  With the PowerSDR radios they have given us a 
system that is still very, very good by today's standards, but to 
prolong and further develop it, either by Flex or third parties, would 
be harmful to them staying viable as a company.  Most of the other 
manufacturers cease support for outdated models, so Flex Radio Systems 
is no different in that respect and I don't have the feeling they have 
abandoned the PowerSDR users.


Having said all this I do wish they would drop the "all too cute" and 
geeky picture of the two kids they are using to promote their latest 
line of SDR radios.  It really has outlived the "cuteness factor" and 
does nothing to present them as a serious industry leader.


Terry



On 02/03/2015 19:18, Richard Lawn wrote:

For what it's worth, which I know isn't much, I too would gladly pay a
reasonable,price for software upgrades. I do think this process could
breath new life into the 3000 and 5000 which are great radios and far
superior to much of what's out their from the pacific rim. As a satellite
user I doubt I'll ever part with my 5000 with the v/u unit. It's an
amazingly capable radio and very versatile compared to most on the market
today including the new flex 6000 series radios, none of which have the
capability of running vhf and uhf out of the box. Sellers of their Powersdr
based radios should be patient and market to the right consumers. If you've
got one like mine and want to sell it look for the VHF, UHF EME crowd.

73
Rick,W2JAZ
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Re: [Flexradio] freeze up with a 1500

[Terry Maurice]

Paul

The 1500 uses a USB port not Firewire.

Terry

On 01/01/2015 21:38, Paul - K6HR wrote:

What is your "Operation Mode" setting in the Firewire driver menu?
I have mine set at "Safe Mode Level 1" and no more freeze ups!

HTH




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Re: [Flexradio] Fwd: Flex radios are the worst polluters ??

[Terry Maurice]

Greg

This problem with the Flex 1500, 3000 and 5000A transmitters has been 
known for some time and while it may not be a major issue for those 
working HF, it is, as indicated by several posters a problem for those 
working VHF, UHF and microwave bands with transverters or the Flex 5000A 
with the VU module installed and power amplification.


A fix was proposed by SM5BSZ for the 1500.  Is this something that is 
feasible and could be done by owners of these radios?  The Flex 5000A is 
no longer made and so warranty is probably not an issue for most 
owners.  The older Flex radios are, with this problem as an exception, 
good rigs and most of us who work VHF and UHF would like to keep them up 
to current operating standards, not just meeting FCC requirements.


I would appreciate your comments on this.

Terry

On 22/04/2014 16:46, Greg Jurrens wrote:

(Sorry... meant to send this to the reflector too!)

-- Forwarded message --
From: Greg Jurrens 
Date: Tue, Apr 22, 2014 at 3:45 PM
Subject: Re: [Flexradio] Flex radios are the worst polluters ??
To: John Kramer 


John:

This set of complaints has been rattling around for several years now.
  Here are FlexRadio's comments on the DUBUS article by SM5BSZ:

1. FlexRadio is very much aware of Leif SM5BSZ's report and his ongoing
concerns regarding FlexRadio's Direct Conversion IQ-based software defined
radios.  He has shared his concerns with us and in public for several years.
2. The "noise" he refers to is an artifact of the Delta-Sigma CODECs used
to generate the baseband signals.  These CODECs were originally designed
for the audio domain and attain very high dynamic range by modulating the
noise outside of the audio passband.  In this case, it's approximately
300kHz away from DC.  This noise would appear to look similar to the
transmit phase noise of most all transmitters.
3. We believe Leif's measurements are basically accurate and have verified
them in our lab using our test equipment.
4. Using Leif's own measurements, the worst case signal generated is >
82dBc, or 82dB BELOW the carrier.  The FCC and CE require all spurious and
unintentional signals to be at least 43dBc.  We are 40dB BELOW the legal
requirements so there is no issue there.  At 5Watts full scale output for
the FLEX-1500, the resulting signal is 0.0316 microwatts!  Even if you
drive an amplifier to full legal limit with your FLEX-1500, the result
would only be 10 microwatts.
5. While measurable using sophisticated test equipment, we do not believe
that under normal "real-world" operating conditions this noise will ever be
perceived by other operators on the band - other than those hams within
site of your tower. On a FLEX-5000A driving a full-legal limit PA, If
the 5000A is transmitting on 14.349USB, a person trying to work CW at
14.001 a 1 S-unit rise in the noise floor at about a mile away BUT
  Only if you are in a quiet rural location that the environmental noise
floor doesn't obscure it.
6. Time marches on and so does technology.   Our new FLEX-6000 Series uses
Direct Up Conversion technology for generating the transmitted signal.
  Because it's DUC, the only thing you need to worry about is the Phase
Noise of the master oscillator.  In our case, the oscillator is better than
-140dBc/Hz at 2kHZ from the carrier!  At > 50kHz from the carrier its
better than -150dBc/Hz.  Very quiet indeed!  This just isn't a problem on
the new radios.

Punch Line: Yes, there is a lab measurable noise hump at about 350kHz on
the FLEX-1500, FLEX-3000, and FLEX-5000.  No, we don't believe it's a
problem in the real world unless you are trying to run Multi-Multi or a
stack of FLEX-3000/5000s at Field Day on the same band.  The new FLEX-6000
Signature Series employs a DUC transmitter and does not exhibit this noise.

John, I hope this puts your mind to ease.  You have no fear of being
arrested by the NOISE POLICE for using your FLEX-1500,3000, or 5000 radio.
  We just hope that people would spend less time transmitting into expensive
spectrum analyzers and more time re-discovering radio by transmitting on
the air.

73,
Greg - K5GJ
FlexRadio




On Tue, Apr 22, 2014 at 3:20 PM, John Kramer  wrote:


I read a disturbing post on the TS-2000 reflector claiming that the legacy
Flex radio's pollute the
bands with noiseit claimed that the Flex-5000, 3000 and 1500 are by far
the worst of any modern
radio.

The poster also said that under no circumstances should a Flex be used
with an amplifier, as all
this noise is amplified.

Of course I jumped in to defend the Flex radio's..

Then I received a private mail from the poster with a link to show an
extensive study that was done
which proves this point

Any technical hams, and Flex in particular, please read this link. I would
love to hear comments
on the validity of this claim

http://www.sm5bsz.com/dynrange/dubus313.pdf

73

John, ZS5J
Flex-5000, Flex-3000 and Flex-1500 owner
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Re: [Flexradio] Flexradio website down

[Terry Maurice]

Greg

Look on the bright side.  At least people notice when your site is down. 
:-)


Terry

On 19/02/2014 00:36, Greg Jurrens wrote:

Dennis

Our Website provider had a major failure last night.  They are still in 
recovery mode.

Thank you for your patience.

73,
Greg - K5GJ
FlexRadio Sales

Sent from Greg's iPhone


On Feb 18, 2014, at 10:54 PM, "Dennis"  wrote:

   I have tried several computers st home and work and it looks like the 
website is down

Dennis KM6DF
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Re: [Flexradio] S Meter minimum

[Terry Maurice]

Ross

I tried to follow your directions, but my S meter disappears when I turn 
the power off. :-)


Terry

On 06/01/2014 13:09, Ross Stenberg wrote:
There is a small plastic screw near the bottom of the meter, make sure 
that it is adjusted to zero with the power off.


   73 Ross K9COX

-Original Message- From: Bill Feldkamp
Sent: Monday, January 06, 2014 10:06 AM
To: FlexRadio@flex-radio.biz
Subject: [Flexradio] S Meter minimum

Hi Matthew and Steve,

KJ4TN’s message about the S3 noise level minimum on the Flex 3K 
describes my experience as well. While it varies from band to band a 
bit, my S Meter never approaches zero, including when the antennas are 
disconnected or when I am connected directly to the dummy load. Noise 
level runs around 100. Preamps have a small effect. Sent back to the 
factory last year for new preamps plus complete checkout and was given 
assurances every thing was A-OK at that time. Everything else runs 
perfect! Using PowerSDR v2.7.2. Maybe a calibration or adjustment 
issue?? Not overly concerned but curious just the same.  Thanks!


Bill, KI4B


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Re: [Flexradio] NR Settings

[Terry Maurice]

Lee

It is very true that one can encounter many kinds of noise on the 
various bands, but for the most part what I am trying to eliminate, or 
at least reduce, is the background hiss to bring out the signal from the 
noise.  The hiss is relatively constant and can be lowered by using some 
kind of sampling and subtraction algorithm.  The BHI does this 
successfully and can make weak signals much more readable.  I would 
think that this should be achievable in the PowerSDR software as well 
with a little bit of further refining.


I for one have no intention of fiddling with every signal I encounter 
setting taps and leakage, delay, etc.  I work mostly weak signal VHF and 
UHF and as you know, signals can come and go very quickly depending on 
the changing propagation conditions.  There is really not time to be 
adjusting this and that to tune in a signal.


My bottom line is, if BHI have been relatively successful in this 
regard, then the Flex should be able to do likewise, especially so, 
considering all the other wonderful things they have done in software 
defined radio.


Terry

*VE3XTM* EN93un


On 22/04/2013 00:02, Lee Mushel wrote:


I just had a very strange thought.   Do you suppose that if there was 
one "optimum" setting for all the processing controls it would still 
be necessary to have the full console graphic user interface?   I 
would think we could do away with all of that adjustment business and 
just tune frequency and mode to our hearts content!


I must be wasting a lot of time changing control values trying to,  
and often successfully at that,  optimize signals under different 
circumstances.


73

Lee   K9WRU




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Re: [Flexradio] NR Settings

[Terry Maurice]

Hi Bob

I tried the settings you suggested but the sound was very distorted.  Is 
there some other setting that I should be using in conjunction with your 
suggested settings?


Terry


On 21/04/2013 09:32, Bob McGwier wrote:

Try these

Taps 64
Delay, the largest you can set it to
Start gain 10
Start leakage 1


Sent from my iPad

On Apr 20, 2013, at 10:43 AM, "W8BYA"  wrote:


I was playing around with the NR function on my 5000A (V2.5.3) for the first time 
trying different settings of Taps, Gain, Delay, & Leak.  I was not having much 
luck blindly running numbers up and down.  I was wondering if anyone had a source 
of information that they could point to that talked about what those various 
parameters were and how they might affect the overall NR function etc?  Or possibly 
if someone has found a set of numbers that worked well for them in certain noisy 
instances that would be interesting to discussTU es 73

Gedas, W8BYA
Gallery at http://gedas.cc
Light travels faster than sound...
This is why some people appear bright until you hear them speak.
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Re: [Flexradio] NR Settings

[Terry Maurice]

Hi Gedas

I have tried just about every combination of the NR parameters and have 
only succeeded in creating a more distorted and basically unlistenable 
sound.  Reducing AGC-T is much more effective in reducing noise, but you 
also lose some sensitivity.  With all the other sophisticated 
capabilities of the PowerSDR software, the NR is surely one of the more 
disappointing features.  With the signal in the digital domain the 
software should be capable of much better noise reduction than is 
presently available.


I have had much better luck with post rig processing, using a BHI 
Neim1031 Mark II processor.  These units are made in the UK. 
http://www.bhi-ltd.com/index.php/products/noise-cancellation-products/noise-cancelling-in-line-modules/neim1031-mkii.html?view=item&layout=item 
  This unit connects to the audio output of the Flex and is very 
successful in reducing background noise.  It has 8 stepwise levels of 
noise reduction and a built in amplifier that is very effective. This 
same unit is available in the US through GAP Antennas and known as "Hear 
It"   http://www.gapantenna.com/hearit_inline.htm  This is the same unit 
as the BHI but with the controls oriented horizontally rather than 
vertically.  It is a very effective unit especially for weak signal work.


Terry

On 20/04/2013 10:43, W8BYA wrote:

I was playing around with the NR function on my 5000A (V2.5.3) for the first time 
trying different settings of Taps, Gain, Delay, & Leak.  I was not having much 
luck blindly running numbers up and down.  I was wondering if anyone had a source 
of information that they could point to that talked about what those various 
parameters were and how they might affect the overall NR function etc?  Or possibly 
if someone has found a set of numbers that worked well for them in certain noisy 
instances that would be interesting to discussTU es 73

Gedas, W8BYA
Gallery at http://gedas.cc
Light travels faster than sound...
This is why some people appear bright until you hear them speak.
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Re: [Flexradio] Eham review - K1EL VLF Converter and its Use with FlexRadios

[Terry Maurice]

Interesting, comments on the K1EL converter and its use with the Flex 
radios.


A question for those who have listened on the VLF bands.  Is there much 
in the way of activity there, other than beacons?  I know that these 
frequencies are used in Europe for commercial broadcasting, but are 
these signals receivable in North America other than in coastal areas?


Any comments would be appreciated.

Thanks

Terry

On 09/03/2013 14:46, Lee Mushel wrote:

Zack,

I certainly wish I had known about the K1EL a few years ago when I 
first applied for membership in the "MF Experimental Group."   I had 
one of the first Flex5000As and I thought that with a resource like 
that plus virtually unlimited space for an antenna that I would be 
able to make a contribution to this effort.   And I hurriedly put up a 
1,500 ft. beverage and assembled a 12 ft. dia. loop as well.   As is 
indicated in the review you mention, I slowly and painfully learned 
about things like lack of sensitivity at low frequencies of the 5000A 
and what broadcast band images were along with the nature of filters 
and a lot of other "stuff" as well!  I had put together K1ELs keyer 
but somehow had managed to miss the existence of his converter! I do 
hope that your posting will save a lot of fellows the pain I went 
through since 500 kHz surely isn't anything like 80 meters!


73

Lee  K9WRUWD2XSH-32
- Original Message - From: 
To: "Flex Radio" 
Sent: Saturday, March 09, 2013 12:45 PM
Subject: [Flexradio] Eham review - K1EL VLF Converter and its Use with 
FlexRadios



Found an interesting review by K0OD about using the K1EL systems VLF 
converter with a Flex-5000.

http://www.eham.net/reviews/detail/5541
K1EL http://www.k1el.com/
73
Zack
N8FNR





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Re: [Flexradio] Key Board Short-Cuts

[Terry Maurice]

Thanks for the PDF link Dale

One keyboard & mouse shortcut I use is when changing between the 
memories on the bands (blue band change buttons) is to hold the shift 
key down and it will reverse the order.  Good for going back and forth 
from one spot to the next on the same band.  I like the added storage 
spots on these keys that came with the software upgrade.  Very useful.  
Probably everyone knows this but me.  :)


Terry


On 23/02/2013 17:59, Dale Boresz wrote:

Ken,

Check out:
< http://support.flex-radio.com/Downloads.aspx?id=5 >

73, Dale
WA8SRA

On 2/23/2013 5:54 PM, Ken wrote:

Hello,

Can some direct me to the key Board Shorts?

Is there a list that can be printed out?

Thank you,
Ken
K3YI
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Re: [Flexradio] 1394a vs 1394b

[Terry Maurice]

Hi Tim

I am assuming that there are no potential problems with operating the 
1500 and 5000 at the same time as the 1500 uses USB.  The only thing I 
have found is that I have to turn the 1500 on first and then the 5000.


Terry


On 17/02/2013 09:41, Tim Ellison wrote:
Daisy chaining the 3000 off of the 5000 is a bad idea as this results 
in two Firewire based radios powered on and connected to the same PC 
which is NOT supported. Just connect it to an open port on the 
Firewire card or use a second Firewire card and make sure one of the 
Firewire based radios is powered off when using the other.


Tim Ellison
On 2/16/2013 5:41 PM, Jerry wrote:

I have a


 SYBA Low Profile PCI-Express 1394B/A Firewire Card Model SD-PEX30009

card with one 6pin connector and 2 9pin connectors.   I'm using the 6 
pin for my Flex 5000.  The question is can I use one of the 9 pin 
1394b with a 6 pin other end to go to my Flex 3000? Does anyone do this?
I have daisy chained my 3000 offf the 5000 but that requires the 5000 
to be turned on.  Tnx wa2tti  Jerry




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Re: [Flexradio] education/information

[Terry Maurice]

Hi Lee

I am presently finishing off just such a presentation for a local club 
here in Ontario.  I will be giving the presentation tomorrow night.  I 
have done a variant of this presentation to three different clubs and 
mostly well received.


I include a live demonstration of the Flex 1500 as part of it.  The 
first two times I gave it, I used my Flex 5000 setup but it was just too 
much work to take my station apart and set up for the demonstration and 
then reassemble my station.  The Flex 1500 works well and I can operate 
it with a laptop computer with no issues.  I included my Hercules 
control unit for the "it doesn't have knobs" group.


I gave the presentation to a local chapter of the Quarter Century 
Wireless Association and was expecting some flack from some of these 
long-time operators.  Such was not the case.  They were very interested 
and asked a lot of good questions.  We made an interesting contact with 
the 5 Watt output from the 1500 during the presentation.


73

Terry


On 02/02/2013 22:45, Lee Mushel wrote:

Has anyone put together a presentation on the "nature of SDR" specifically for use as a 
club program where no one is familiar with the topic and all that is known is vanilla "knob 
and button audio?"   I know how difficult this can be and can claim no success.   Has anyone 
discovered techniques that you can honestly say were successful!  My own experience has detected 
downright hostility but then asking for a mental transition from mechanical activity and only audio 
input is a far cry from asking someone for considerable dependence on video display.

Maybe the use of a "demo only" even with the assist of Powerpoint is asking for too much. 
 It seems that suggesting that software extensions   be considered something other than 
"soundcard modes."   Doing so seems to  break off teeth in the mental gears.

73

Lee   K9WRU
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Re: [Flexradio] Adding a FLEX-1500 to PSDR which is already used for the FLEX-5000 - how to?

[Terry Maurice]

Hi Dan

Glad it worked.  Yes, now that you outlined the procedure, that is what 
I did as well.


I am using the 1500 with a 2m transverter.  I have the VU5K as well, but 
you can not operate another 2m unit with the 5000 when the VU5K is 
installed, so I went this route.


I have been very impressed with the 1500 as a QRP rig.  The first time I 
used it I made a contact with a station in Venezuela from Ontario with 
about 4 Watts out and got a 57 signal report.  Very impressive, 
especially so since I was operating with a vertical antenna on the 15m band.


73

Terry

On 03/01/2013 22:54, Dan Scott wrote:


Terry,

That was it!

It appears the procedure would be:

1.Turn off the FLEX5000/FLEX3000

2.Start PSDR and wait for the "Available Radio Interfaces" panel

3.Connect the USB to both the radio and SDR1500 then turn on the SDR1500

4.At the first "Found New Hardware Wizard" panel

a.Select "No, not this time"

5.On the next "Found New Hardware Wizard" panel

a.Install from a list or specific location

b.Then browse to

i.C:\Program Files\FlexRadio Systems\PowerSDR v2.5.3\1500 Driver[32 | 64]

6.When the drivers are fully installed the FLEX-1500 will show up in 
the "Available Radio Interfaces" panel.


It is installed and only needs an antenna jumper cable J

Thank you for the advice.  I had a couple email off the reflector 
trying to do the same thing.  This should solve their problems as well.


73,

Dan

*From:*Terry Maurice [mailto:ve3...@execulink.com]
*Sent:* Thursday, January 03, 2013 8:19 PM
*To:* Dan Scott
*Cc:* flexradio@flex-radio.biz
*Subject:* Re: [Flexradio] Adding a FLEX-1500 to PSDR which is already 
used for the FLEX-5000 - how to?


Hi Dan

Have you installed the USB drivers for the 1500?  I ran into this 
problem as well and had to install the drivers so that the 1500 was 
recognized.  It has been a while since I set it up so am not sure of 
the exact procedure I used.


You should be able to find the 1500 drivers in the PowerSDR directory.

Once you get them installed you should see the 1500 in the startup 
box.  If you want to use the 1500 and the 5000 at the same time, I 
have found that you have to start the 1500 first and then the 5000.


Good luck

Terry

On 03/01/2013 22:07, Dan Scott wrote:

When trying to add a Flex-1500 to the same system that already has the

Flex-5000 I am trying to get to the screen where you can select the radio(s)

so I can add the Flex-1500.  So far I have tried:

1.  Reset to defaults

2.  Reinstall PSDR

3.  Uninstall and reinstall PSDR

  


In all cases the system immediately go to the select radio screen showing

the Flex-5000 (turned off).  There is an option to "Add Legacy Radios" but

no option to add current radios.  Even after removing the software

(Add/Remove Programs - Win XP) the re-installing v2.5.3 no option to add

another radio exists.  It appears that the add/remove program requires some

manual procedures to clean up the system in order to get the selection for

what radios PSDR is being installed with.  I did not see anything in the

knowledge base related to install multiple radios.

  


I assume this is possible, or is the SDR-1500 and compatible on the same

system as the 5000?

  


Thanks,

Dan

  


-Original Message-

From: FlexRadio [mailto:flexradio-boun...@flex-radio.biz] On Behalf Of Dan

Scott

Sent: Thursday, January 03, 2013 5:28 PM

To:flexradio@flex-radio.biz  <mailto:flexradio@flex-radio.biz>

Subject: [Flexradio] Adding a FLEX-1500 to PSDR which is already used for

the FLEX-5000 - how to?

  


Hi,

  


After having the FLEX-1500 sitting around since winning it at a local

hamfest in July, I am getting around to getting it running.

  


Being that PSDR is already install for the 5000, how do I add a second radio

(after the fact)?

  


I have reset the DB, that didn't work.  I reinstalled v2.5.3, that did not

work.  I have not yet uninstalled the version and reinstalled, is that the

technique required?

  


Thanks,

Dan

  

  


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Re: [Flexradio] Adding a FLEX-1500 to PSDR which is already used for the FLEX-5000 - how to?

[Terry Maurice]

Hi Dan

Have you installed the USB drivers for the 1500?  I ran into this 
problem as well and had to install the drivers so that the 1500 was 
recognized.  It has been a while since I set it up so am not sure of the 
exact procedure I used.


You should be able to find the 1500 drivers in the PowerSDR directory.

Once you get them installed you should see the 1500 in the startup box.  
If you want to use the 1500 and the 5000 at the same time, I have found 
that you have to start the 1500 first and then the 5000.


Good luck

Terry


On 03/01/2013 22:07, Dan Scott wrote:

When trying to add a Flex-1500 to the same system that already has the
Flex-5000 I am trying to get to the screen where you can select the radio(s)
so I can add the Flex-1500.  So far I have tried:
1.  Reset to defaults
2.  Reinstall PSDR
3.  Uninstall and reinstall PSDR

In all cases the system immediately go to the select radio screen showing
the Flex-5000 (turned off).  There is an option to "Add Legacy Radios" but
no option to add current radios.  Even after removing the software
(Add/Remove Programs - Win XP) the re-installing v2.5.3 no option to add
another radio exists.  It appears that the add/remove program requires some
manual procedures to clean up the system in order to get the selection for
what radios PSDR is being installed with.  I did not see anything in the
knowledge base related to install multiple radios.

I assume this is possible, or is the SDR-1500 and compatible on the same
system as the 5000?

Thanks,
Dan

-Original Message-
From: FlexRadio [mailto:flexradio-boun...@flex-radio.biz] On Behalf Of Dan
Scott
Sent: Thursday, January 03, 2013 5:28 PM
To: flexradio@flex-radio.biz
Subject: [Flexradio] Adding a FLEX-1500 to PSDR which is already used for
the FLEX-5000 - how to?

Hi,

After having the FLEX-1500 sitting around since winning it at a local
hamfest in July, I am getting around to getting it running.

Being that PSDR is already install for the 5000, how do I add a second radio
(after the fact)?

I have reset the DB, that didn't work.  I reinstalled v2.5.3, that did not
work.  I have not yet uninstalled the version and reinstalled, is that the
technique required?

Thanks,
Dan


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Re: [Flexradio] Noise blanker in AMl mode

[Terry Maurice]

Hi Gedas

Yes, the sound is very good, almost as good as my old tube Hallicrafters 
Skyrider SX-28 receiver, built in 1940. :





I use a stereo Hi Fi amplifier with my 5000A and my 1500 and the audio 
quality is very good indeed.


Brian's explanation about signal overload seems to be the problem.  I 
don't normally use the NB with AM.  It just happened to be on when I 
tuned in the AM BC band and I noticed the distortion on strong signals.


73

Terry

On 20/12/2012 20:19, W8BYA wrote:
Hi Terry.  I use my 5000A on the SWL bands all the time and the audio 
quality is to die for !  It is really amazing at how nice it is over a 
nice set of speakers.  I have not encountered any distortion, 
regardless of how strong the signals are coming in.  I do not use a HB 
on HF, I'll have to try that.  I am now wondering what is causing your 
audio to be messed up?


Gedas, W8BYA
Gallery at http://gedas.cc
Light travels faster than sound..
This is why some people appear bright until you hear them speak.


- Original Message ----- From: "Terry Maurice" 
Cc: 
Sent: Thursday, December 20, 2012 5:35 PM
Subject: [Flexradio] Noise blanker in AMl mode


The thread on NB in digital mode brought to mind a question about 
using the NB in AM mode.  When I turn on the NBs AM broadcast band 
signal are distorted.  There is also distortion when using AM and 
listening to SW in other bands.  Is this normal or is something being 
overloaded?


Terry
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Re: [Flexradio] Noise blanker in AMl mode

[Terry Maurice]

Thanks Brian

I don't normally use the NB on AM, in fact, I don't use the AM broadcast 
band that much either, but I had the NB turned on for the 80m band 
because of a new neighbour that has a plasma TV set.  When I tuned into 
the AM BC band I noticed the distortion which disappeared when I turned 
the NB off.  You are right about the strong signal response as I found 
it did the same thing on the SW bands with strong signals.  The NBs are 
not really needed on these signals.


Terry

On 20/12/2012 20:34, Brian Lloyd wrote:



On Thu, Dec 20, 2012 at 2:35 PM, Terry Maurice <mailto:ve3...@execulink.com>> wrote:


The thread on NB in digital mode brought to mind a question about
using the NB in AM mode.  When I turn on the NBs AM broadcast band
signal are distorted.  There is also distortion when using AM and
listening to SW in other bands.  Is this normal or is something
being overloaded?


Very few Noise Blankers work properly with very strong signals. 
Remember that they blank when a signal reaches a certain threshold and 
a really strong nearby signal could reach that threshold, causing 
blanking of the desired signal. I would not expect the NB to work on 
the AM BCB due to overload from other strong signals in the receive 
span. If you want to try to make them work you can change the 
threshold values in DSP>Options.


--
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3191 Western Dr.
Cameron Park, CA 95682
br...@lloyd.com <mailto:br...@lloyd.com>
+1.767.617.1365 (Dominica)
+1.916.877.5067 (USA) 


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[Flexradio] Noise blanker in AMl mode

[Terry Maurice]

The thread on NB in digital mode brought to mind a question about using 
the NB in AM mode.  When I turn on the NBs AM broadcast band signal are 
distorted.  There is also distortion when using AM and listening to SW 
in other bands.  Is this normal or is something being overloaded?


Terry
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Re: [Flexradio] VU5K Question

[Terry Maurice]

Robert

I initially had some RF ingress issues, but I put ferrites on all audio 
and power lines, as well as microphone cables.  I have no issues now and 
work the bands up to 70cm with no reports of any RF on my signal.  I 
have some external digital processors, BHI, that I use as well, so there 
are lots of audio cables external to the Flex.  I also use the Tokyo 
Hy-power 2m amplifier without RF issues.


My main issue was with the fan noise of the VU5K, but I found by 
carefully balancing the audio and using the DExp control that I could 
keep the background noise out of my transmitted signal and I no longer 
get audio reports asking about the noise in the background.  Having the 
panadapter when doing weak signal work is really nice, as these can be 
so easily missed.


Terry

On 18/12/2012 17:02, Robert Costa, KB6QXM wrote:

I personally liked having the option of having transverters for the Flex. All 
mode, VHF/UHF. Reading the reflector, these v/u units were not without problems.

I wonder what the percentage of the 5000a users use transverters. You are 
right, also not wide banded also.

Maybe a question for the Flex edge group.

Myself, I am just trying to get rid of my RF ingress issues first before I add 
any transverter or an amplifier for that matter. My Flex experience has 
definately not been plug and play, but I did not expect it to be. I cannot use 
my Flex above 40 meters still.

The support of the Flex staff and other Flexers has been great though.

73,
Robert
KB6QXM
"Ham Radio Open Conversation"
Yahoo group owner/moderator


- Reply message -
From: "Jim Barber" 
To: "Robert Costa, KB6QXM" 
Cc: "H. Dave Meitzen" , 
Subject: [Flexradio] VU5K Question
Date: Tue, Dec 18, 2012 1:44 pm


That question prompted me to look at the transverter port(s) and
software capabilities on the 5K, which both turned out to be quite adequate.

Unfortunately, no wide-range transverters exist, or if they do they're
hiding from me. I've considered modifying one of my vintage Yaesu units,
(which are segment-switched to cover the entirety of 2 meters at least)
but the local oscillators in those are impossible to net in close enough
for today's expectations.

So - yes, it remains a good question.

73,
Jim N7CXI


On 12/18/2012 1:25 PM, Robert Costa, KB6QXM wrote:

Good question.

73,
Robert
KB6QXM
"Ham Radio Open Conversation"
Yahoo group owner/moderator


- Reply message -
From: "H. Dave Meitzen" 
To: 
Subject: [Flexradio] VU5K Question
Date: Tue, Dec 18, 2012 1:19 pm


What now is the recommended path to integrate 2M and 70CM operation into the
Flex5K?

Thanks
Dave AA9TT


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Re: [Flexradio] VU5K Question

[Terry Maurice]

Dave

As you know the VU5K is no longer in production, but there may still be 
some available from Flex.  It is their intention to support existing 
units now in use, at least for a while.


The only route left is to use external transverters.  The 5000A is set 
up for this.  Note, that if you get the VU5K installed you cannot use 
other 2m or 70cm transverters with the VU5K.  I only found this out 
after purchasing a German Kuhne TR 144H +40 2m transverter.  I have 
since purchased a Flex 1500 to use with the Kuhne transverter.  There 
are several transverters available from Down East Microwave, SSB 
Electronic and others.  Most of these transverters are designed for weak 
signal work and cover the lower portion of the band.


Initially, I had some issues with the VU5K, but these seem to be 
resolved now.  I have been able to tweak the setup to use the VU5K on 
weak signal work with success.


Terry


On 18/12/2012 16:19, H. Dave Meitzen wrote:

What now is the recommended path to integrate 2M and 70CM operation into the
Flex5K?

Thanks
Dave AA9TT


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Re: [Flexradio] 5000A and PSDR 2.4.4 - 2M transverter above 146 mhz?

[Terry Maurice]

On 29/11/2012 20:30, Jim Barber wrote:

.
FWIW, SSB Electronic is the only major supplier you didn't already name.


Jim

You have forgotten to mention Kuhne Electronic who are located in 
Germany.  They make a range of very fine transverters, albeit expensive 
units.  I have their 2m transverter and it is excellent. It too has a 
range of only 144 to 146MHz.  Transverters are mostly designed for weak 
signal  SSB and EME work.  They are more sensitive than what is really 
needed for satellite work.  Many commercial rigs do well with satellite 
communications.


http://www.kuhne-electronic.de/en/products/transverter.html

Terry

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[Flexradio] Using an external 10MHz frequency reference

[Terry Maurice]

When using an external 10MHz frequency reference does one use the 
calibration function to set it to the external reference?  I have 
recently completed an interface to a rubidium frequency standard and 
want to use it with my Flex 5000A and my Flex 1500.  I have the VU5K 
module installed.  Will the reference calibration set the calibration 
for the 2m and 70cm modules as well?  There is not much information in 
the manual regarding the use of an external frequency reference.


Thanks

Terry

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Re: [Flexradio] Heil Proset vs Elite, HC-4 vs HC-6?

[Terry Maurice]

Hi Zack

I have the Heil Proset Elite and like it a lot.  I have had good on-air 
reports about it.  At first I found it a bit uncomfortable out of the 
box, but after adjusting it I have not had any problems with it.  I 
tried the Proset-4 at the store while listening to a Flex 5000A and I 
felt that the audio quality and volume level was much better with the 
Elite.  I operate a Flex 5000A and a Flex 1500 and have found that both 
work well.  I do a lot of weak signal VHF DX work and have found it 
quite listenable.  With the Flex radios, of course, you can adjust the 
Rx and Tx response, so I thought it would be better to have a set that 
had a wider frequency range that I could adjust for whatever purpose I 
wanted, than to have one that is limited.


Terry

On 02/11/2012 13:08, vtnn...@comcast.net wrote:


I need to get a new headset for use with my 5000 and am looking for opinions 
from others who own the current Heil headsets. I would like to get either the 
Proset or the Elite. If you own either what do you like or dislike about it? 
How adjustable are they (my head is large)? Which element do you have? If I get 
a headset with the HC-6 can the rig be adjusted to sound like the HC-4? BTW I 
mainly use my rig for DXing so I am wondering if the HC-4 is the best element 
for my uses.

Any info or opinions on the above will be greatly appreciated.

Zack

N8FNR
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Re: [Flexradio] New 5000a Owner Panic

[Terry Maurice]

Aaren

With respect to your mic situation, did you check the proper box on the 
input to make sure that you have the front panel mic turned on? You can 
select either the front or rear mic input from the menu.


Terry


On 11/10/2012 23:09, Tony wrote:

Aaren:


1. Front mic port is DOA right out of the box.


Check to make sure that the notch on the mic connector is lined up 
correctly with the port when you plug it in. I've noticed that some 
connectors go in without the notch being aligned.


Tony


On 10/11/2012 10:54 PM, Aaren Jensen wrote:
I took delivery of a new 5000a with ATU 3 days ago and I'm having a 
case of
panic and potential buyers remorse. Please expound some wisdom or 
talk me

off the cliff.


1. Front mic port is DOA right out of the box. I've switched to a 
xlr
mic plugged into the balanced port on the rear and I'm clicking 
MOX on and
off to transmit. It's a work around but it looks like I'll 
already have to
send it back straight away for repair. Arggh. I have a ticket 
open with

Flex and I'm waiting for approval to return it.
2. Band conditions are horrible this week but for two nights 
browsing
around 80m and 40m are it's working and no problems other than my 
own

learning curve.
3. Tonight I venture onto 20m and every time I key the mic PowerSDR
freezes and crashes. Takes a few minutes to recover and reboot 
everything
and I try again with the same results. I was able to participate 
on a 80m
net with no problems, then back to 20m and more crashes. I 
thought it was

the power output and played with that, but no real pattern emerged?
4. At one point it locked up so bad I couldn't even start PowerSDR
anymore and had to remove the entire software package, reboot, 
reinstall,
reboot, and treat the rig like it was a fresh first time install 
again.
Back to 20m with everything new and default, tuned, keyed mic and 
app

crashes

Help oh wise Elmers on the mountain top.

73

VA7AEJ




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Re: [Flexradio] Flex 1500 with 2m transverter

[Terry Maurice]

Thanks to all who replied.  Great comments.

It has helped me to make the decision to get the Flex 1500.

Thanks again

Terry


On 11/09/2012 14:20, Terry Maurice wrote:
I am considering purchasing a Flex 1500 to use with my Kuhne TR 144 H 
+40 transverter for 2m weak signal work.  I would appreciate comments 
from anyone who has had experience with using the Flex 1500 with 
transverters as to whether or not this is a feasible weak signal 
system.  What are the positives and the negatives of such a 
combination?  I presently have a Flex 5000A with the VU5K module 
installed, but this module does not allow the connection of other 2m 
or 70cm transverters.


Thanks

Terry


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[Flexradio] Flex 1500 with 2m transverter

[Terry Maurice]

I am considering purchasing a Flex 1500 to use with my Kuhne TR 144 H 
+40 transverter for 2m weak signal work.  I would appreciate comments 
from anyone who has had experience with using the Flex 1500 with 
transverters as to whether or not this is a feasible weak signal 
system.  What are the positives and the negatives of such a 
combination?  I presently have a Flex 5000A with the VU5K module 
installed, but this module does not allow the connection of other 2m or 
70cm transverters.


Thanks

Terry
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Re: [Flexradio] Flex 5000 VU module

[Terry Maurice]

Lyle

This is a known fault of the VU5K.  It does not have good power 
stability at the lower end.  In a phone conversation, a senior Flex 
representative acknowledged this shortcoming to me.  With the module 
being discontinued, there will, in all probability, never be a fix for 
this problem.  If I knew then what I know now about the VU5K, I never 
would have spent the money on it.


If your amp will take a higher drive level then you might be better off 
to use the VU5K at the highest level your amp will take.


Terry


On 12/08/2012 17:32, Lyle Fisher wrote:

I am trying to drive an amp with 20 watts with my VU5K. I can not get a
steady ouput from it. It will start out at 20 watts for a few seconds and
then it will slowly drop to 14-15 watts after 30 seconds. At full output I
am getting 52 watts and it will remain steady within 2 watts. But at the
lower wattages it will not.

The case gets very hot also after about 10 minutes of running. If I run a
fan on the Flex 5K case, that l helps the output drifting. I took the bottom
cover off and the fan is working. It doesn't seem like it does much.

I sure would like a solution to this problem

Lyle N0LWF

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Today's Topics:

1. Flex 5000 VU module (Jerry Coufal)
    2. Re: Flex 5000 VU module (Terry Maurice)
3. CWDecoder transmit problem (John Vandenberg)
4. LOW POWER OUTPUT ON 2M (Steve Tripp (K1IIG))
5. Re: LOW POWER OUTPUT ON 2M ( Robert Costa, KB6QXM )
6. Using FLEX-3000 above 30 MHz with transverter (Ronald G. Parsons)
7. Re: LOW POWER OUTPUT ON 2M (David Painter)
8. Re: LOW POWER OUTPUT ON 2M (Brian Lloyd)
9. Re: LOW POWER OUTPUT ON 2M (Steve Tripp (K1IIG))
   10. Re: LOW POWER OUTPUT ON 2M (David Painter)
   11. Re: LOW POWER OUTPUT ON 2M (Brian Lloyd)


--

Message: 1
Date: Sat, 11 Aug 2012 13:08:11 -0600
From: "Jerry Coufal" 
To: 
Subject: [Flexradio] Flex 5000 VU module
Message-ID: <006a01cd77f4$a7498030$f5dc8090$@net>
Content-Type: text/plain;   charset="us-ascii"

I have the same problem. As I understand the low RF power output of the Flex
5000A VU module is a known defect associated with trouble ticket DE725 / SW
Defect #703.

  


Jerry

_

  

  


[Flexradio] Flex 5000 VU module

toddp12
Fri, 10 Aug 2012 17:18:12 -0700

  


I just purchased a 5000a with VU module, on 144 mhz FM  output is 42watts
this

is into a dummy load with Bird Meter, on SSB output only 15-20 watts. Anyone


else had this problem? Thanks Todd

  


 N4QWZ

  




--

Message: 2
Date: Sat, 11 Aug 2012 16:02:19 -0400
From: Terry Maurice 
To: Jerry Coufal 
Cc: flexradio@flex-radio.biz
Subject: Re: [Flexradio] Flex 5000 VU module
Message-ID: <5026ba4b.4020...@execulink.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Given the power output of the Flex 5000A with the VU5K option the only thing
it is capable of doing is driving a linear amp.  Even at that, it is not all
that stable at very low power output levels, so be careful just what kind of
linear you might choose to drive with the Flex.

Don't make the mistake that I did and try to operate the Flex 5000A with
VU5K installed to drive a 2m or a 70cm transverter.  Having been quite
unhappy with the 2m performance of my Flex with the VU5K installed, I
purchased a German Kuhne 2m transverter to connect to my Flex 5000.
With the way the VU5K is configured into the Flex 5000, it cannot be done,
as the VU5K implementation does not allow either an additional 2m or 70cm
transverter to be operational with the Flex.  If you do not have the VU5K
option then you could use the Flex with any number of 2m or 70cm
transverters.  This to me is a very serious design flaw and along with the
low power output and noisy fan are some of the many reasons they are no
longer offering the VU5K option.

Terry


On 11/08/2012 15:08, Jerry Coufal wrote:

I have the same problem. As I understand the low RF power output of
the Flex 5000A VU module is a known defect associated with trouble
ticket DE725 / SW Defect #703.

   


Jerry

_

 

Re: [Flexradio] Flex 5000 VU module

[Terry Maurice]

Given the power output of the Flex 5000A with the VU5K option the only 
thing it is capable of doing is driving a linear amp.  Even at that, it 
is not all that stable at very low power output levels, so be careful 
just what kind of linear you might choose to drive with the Flex.


Don't make the mistake that I did and try to operate the Flex 5000A with 
VU5K installed to drive a 2m or a 70cm transverter.  Having been quite 
unhappy with the 2m performance of my Flex with the VU5K installed, I 
purchased a German Kuhne 2m transverter to connect to my Flex 5000.  
With the way the VU5K is configured into the Flex 5000, it cannot be 
done, as the VU5K implementation does not allow either an additional 2m 
or 70cm transverter to be operational with the Flex.  If you do not have 
the VU5K option then you could use the Flex with any number of 2m or 
70cm transverters.  This to me is a very serious design flaw and along 
with the low power output and noisy fan are some of the many reasons 
they are no longer offering the VU5K option.


Terry


On 11/08/2012 15:08, Jerry Coufal wrote:

I have the same problem. As I understand the low RF power output of the Flex
5000A VU module is a known defect associated with trouble ticket DE725 / SW
Defect #703.

  


Jerry

_

  

  


[Flexradio] Flex 5000 VU module

toddp12
Fri, 10 Aug 2012 17:18:12 -0700

  


I just purchased a 5000a with VU module, on 144 mhz FM  output is 42watts
this

is into a dummy load with Bird Meter, on SSB output only 15-20 watts. Anyone


else had this problem? Thanks Todd

  


 N4QWZ

  


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Re: [Flexradio] VU5K End of Production Notice

[Terry Maurice]

Sorry to hear that you are discontinuing this module.  I recently 
upgraded my Flex 5000A with the VU5K and this announcement leaves me 
wondering if future versions of PowerSDR will continue to support the 
module.


Additionally, there are a few things about the present software that are 
not fully integrated with the VU5K module, such as showing that it is 
connected to Antenna 1 for TX when it is on its own independent antenna. 
  Also, an antenna software bypass loop for the VU5K module would allow 
the use of a preamplifier to be used with the VU5K.  Is that possible or 
does it need separate relays?


Terry

On 01/06/2012 13:46, Greg Jurrens wrote:

FLEX-5000 Owners:

We regret to announce that we've had to make the difficult decision to end
production of the VU5K VHF/UHF Module for the FLEX-5000.  This decision was
driven by continued component (un)availability making deliveries
unreliable.  One of the component families in the module has gone obsolete
and there isn't a viable replacement for our design.

We've convinced the component manufacturer to support us with parts for a
"last time buy" so we would like to offer the same "Last Call" notice to
our valued  FLEX-5000 customers.  The lead time for the modules will be
10-12 weeks so we will work hard to minimize your downtime.

If you would like to add the VU5K module to your FLEX-5000, please contact
us before June 14 so we can get you on the list.  You can order online or
call sales at 512-535-4713.  The price is $1397.00 plus return shipping.  Once
we get everything ready, our service team will coordinate with you for an
RMA to ship your radio in for the upgrade.

We apologize for the short notice on this announcement.  Unfortunately it
just isn't feasible for us to continue producing the VU5K module.  Rest
assured we will maintain plenty of repair components to service your VU5K
and your FLEX-5000 for years to come.

Thanks for your understanding and continued support of FlexRadio Systems.

73,
Greg




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Re: [Flexradio] PowerSDR question?

[Terry Maurice]

The Flex radios are not the most stable when set to very low power 
settings.  This has been confirmed in operation by some attempting to 
use their Flex radios with linear amplifiers using a low drive level of 
around 5 watts.  I had this confirmed in a telephone conversation with a 
technical person from Flex Radios.  This condition may vary depending on 
the type of linear amp being used.


Terry

On 18/05/2012 17:44, Steven Hess wrote:

In PowerSDR when in the transmit form when you set the power level for
'Tune' and you set the drive level is 5 watts an actual 5 watts or is
it an approximation?

Trying to get an idea of an reading on my wattmeter at a one watt of
output. It's off by quite I bit I think on the high side I think.

Steven


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Re: [Flexradio] No FWD PWR Indication Using VU5K

[Terry Maurice]

I wonder why the VU5K was not integrated more fully into the Flex 5000.  
The Flex 5000 is such a superb radio and it is nice to have the power 
and SWR meters as well as antenna switching capabilities.  In my 
opinion, not having these features for the 2m and 70cm bands makes the 
VU5K less functional it could have been.   Is it fair to say that the 
VU5K is essentially a transverter that is installed internally?  If so, 
I wonder if it might have been better to make it available as a stand 
alone unit and get around the issues of potential heat buildup and the 
need for an additional internal fan.  The additional fan in the Flex 
5000A box has created a noise issue for some VU5K users.


Terry

On 26/04/2012 08:44, Tim Ellison, W4TME wrote:

Yes.  The VU does not have an RF bridge to read power.

Tim Ellison, W4TME
Product Management, Sales & Support
FlexRadio Systems^(TM)
4616 W Howard Ln, Suite 1-150
Austin, TX 78728
Phone: 512-535-4713 Ext. 223
Email: t...@flexradio.com 
Web: www.flexradio.com 

logo


On 4/26/2012 12:44 AM, Paul Delaney - K6HR wrote:
With the TX Meter set to FWD PWR I see 0 watts output when TXing on 
2m and

70cm FM or SSB makes no difference. Also SWR shows 0.

Is this normal for VU5K operation?

Paul Delaney - K6HR
paul.hamra...@verizon.net
http://k6hr.dyndns.org:8080



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Re: [Flexradio] Fan Speed w/VU5K

[Terry Maurice]

The fan is only on when transmitting.  Others seem to be fine with the 
fan noise.


Terry

On 22/04/2012 17:54, Michael Walker wrote:

I was thinking of getting a VU kit installed in mine.

Is the fan on all the time now and it is just too noisy?

Mike va3mw


On Sat, Apr 21, 2012 at 6:52 PM, Terry Maurice  wrote:


That is my feelings too.  For the price of the VU5K, they could have done
a much better job.


On 21/04/2012 13:18, Randy Pence wrote:


I do not use my 5k much any more because of the fan noise sense having the
VU kit installed.
If I had known about the noise I would have never had the VU kit
installed.



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Re: [Flexradio] Fan Speed w/VU5K

[Terry Maurice]

That is my feelings too.  For the price of the VU5K, they could have 
done a much better job.


On 21/04/2012 13:18, Randy Pence wrote:

I do not use my 5k much any more because of the fan noise sense having the
VU kit installed.
If I had known about the noise I would have never had the VU kit installed.



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Re: [Flexradio] Fan Speed w/VU5K

[Terry Maurice]

Unfortunately, it is.  To my way of thinking, this is a real design 
problem with the VU5K module.  I noticed it immediately that it was very 
noisy, really a high pitched whine when transmitting and it has been 
commented on by many when I am transmitting.  I contacted Tim about this 
and was told that it was necessary to put in a fan to increase the air 
flow when the VU5K module is transmitting, because the installation of 
the module takes up room and partially blocks the air flow.  Tim said 
the noise comes more from the air rushing in and out the vents than the 
fan and that this was the quietest fan they could put in the box that 
would give adequate air flow.  Tim suggested putting the Flex 5K under 
my operating desk, which I did, but that has not alleviated the 
situation to any major degree.  I still get comments on air about fan 
noise.  Had I known of this issue, I probably would have gone with an 
outboard transverter instead.


I think that they are just trying to stuff too much into a small box and 
it would have been better to increase the box volume in some way or put 
a fan in that also has a temperature sensing device.  I use my VU5K with 
a linear and so I am not running it at the maximum power output, so why 
is it necessary to have the fan come on when operating at 15-20Watts.


The VU5K is, in my opinion, somewhat of an afterthought in terms of its 
integration into the Flex 5000A and PowerSDR.  For example, PowerSDR it 
shows on screen that you are using the RX1 antenna for transmission when 
transmitting with the VU5K, when, in fact, the VU5K works directly 
through the 2m and 70cm antennas.  This is surely a simple fix in the 
software.


Terry


On 20/04/2012 17:30, Paul Delaney - K6HR wrote:

Is it normal for the fan to come on strong during VHF/UHF tx?


Paul Delaney - K6HR
paul.hamra...@verizon.net
http://k6hr.dyndns.org:8080



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Re: [Flexradio] Direct Conversion White Paper

[Terry Maurice]

Gary

I strongly suggest using an outboard DSP filter on the audio.  The Flex 
radios are great receivers and will bring in signals at the noise level, 
but once you get to the noise level you can use a DSP audio processor to 
help reduce the background hiss.  I use a BHI NEIM1031 unit that is very 
effective in reducing the background hiss.  The same unit is marketed in 
the US by GAP under the "Hear It" brand name.  I also use a audio 
intelligibility enhancer AIE in line with the BHI and this enhancer is a 
two stage shelf filter that boosts the high frequencies.  The BHI has a 
tendency to roll off some of the high frequencies and the AIE restores 
the clarity of the speech.  It was originally designed by Hal Kennedy 
N4GG as a hearing compensation unit for aging ears.  The plans are in 
the 2011 ARRL Handbook, page 24.36.  I purchased the board from Far 
Circuits, built the unit and put it in a small Hammond metal box.  It 
provides two levels of boost 3dB and 6dB.  When used in conjunction with 
the BHI it is very effective in digging signals out of the noise floor.  
My interests lie in weak signal work on 2m and 70 SSB.


Terry



On 29/02/2012 15:01, GARY HUBER wrote:

After reading through the latest White Paper 
at  and setting the AGC-T of 
my FLEX-1500 at the noise threshold or slightly below it and with the AGC in Fast are 
there any other settings that can be changed to improve the readability of a signal 
which is “in the noise” when the noise floor is at –115 dBm and external noise has 
been reduced through antenna selection or noise cancellation (180 degree reversal).

Are there any recommendations for changes on the DSP; Options, Image Rejection. 
or AGC/ALC tab or the Audio; Primary tab to improve the received audio?

The computer running PSDR is an AMD Phenom II 970 Quad-Core running at 3.5 GHz 
with 8 GB RAM and with a Sound Blaster audio adapter.

73 ES DX,
Gary -- AB9M

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[Flexradio] VHF/UHF with the Flex 5000A

[Terry Maurice]

I would be very interested to hear from any Flexers who have used their 
Flex 5000A rigs with the VHF/UHF for weak signal SSB work, meteor 
scatter or EME.  I wonder how the Flex compares to transverters designed 
for weak signal work, such as the DEMI L144-28HP.  I live in an area 
that has some intermittent interference problems on 2m and wonder which 
of these two options would be best for rejection of intermod.  Would the 
high sensitivity of a transverter be lost to intermod issues?


I presently have a Flex 5000A with the RX2 and ATU, so the convenience 
of having all the band functions fully integrated into the Flex 5000 is 
very attractive, but in the end the ability of the receiver to dig out 
those weak signals is an overriding factor.  I would also be interested 
in hearing from others who use their Flex 5000A with transverters as to 
how well the combination works.


Thanks for any comments.

Terry
VE3XTM

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Re: [Flexradio] A safe way to connect to a receive only antenna?

[Terry Maurice]

Gary

The link is still active.  Make sure you have the whole link copied.

Terry
VE3XTM

On 19/11/2011 10:23, Gary Warner wrote:

Jim,

Thanks.   That particular link seems to be gone now.Is there 
another link to a similar one?


Gary
WG1I

On 11/19/2011 12:26 AM, Jim fuller - N7VR wrote:

Hi Gary,

I would use something like a DOW-KEY Transmit-receive relay. Connect the
receive only antenna to the receive side and the transmit antenna to the
transmit side. The antenna connection on the Dow-Key to the output of 
the
Flex-3000. Use the TX-OUT to key the DOW-Key Relay. My personal 
choice would

be one like:
http://www.ebay.com/itm/Dow-Key-Relay-12-VDC-Coil-TR-Extra-Contacts-Nice-/22 


0875136188?pt=LH_DefaultDomain_0&hash=item336d2f1cbc

I hope this helps.

Jim Fuller
N7VR -- http://www.n7vr.org
International TCP/IP Gateways Robot Operator -- 
http://www.ampr-gateways.org


MTAPRS NET Server Operator -- http://www.mtaprs.net
CWOP-2 -- http://www.wxqa.com
IRLP Node 3398 - http://irlp.fuller.net
Original ARECC contributor

-Original Message-
From: flexradio-boun...@flex-radio.biz
[mailto:flexradio-boun...@flex-radio.biz] On Behalf Of Gary Warner
Sent: Saturday, November 19, 2011 12:21 AM
To: FlexRadio@flex-radio.biz
Subject: [Flexradio] A safe way to connect to a receive only antenna?

To all,

I have a Flex 3000, and I want to connect a receive only antenna to the
radio.   Is there some foolproof way to connect the receive only antenna
such that I do not accidentally transmit to it?   I know that I can
connect the two antennas to different ports on my manual tuner, but I am
concerned that sooner or later I will forget to move the selector switch
from listen to transmit and fry the receive antenna.

Gary
WG1I

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Re: [Flexradio] Setting up DSP Noise Reduction on PSDR 2.2.3

[Terry Maurice]

Hello Tim

While I thank you for the tip regarding using the AGC-T control instead 
of the NR, I am a bit dismayed that this implies the NR function is 
basically not worth using.  When NR is needed most is not on strong 
signals but weak ones.  Turning back the AGC-T control will reduce the 
noise, but it also reduces the sensitivity to weak signals.  It should 
be very possible to create a very useful NR function, since the signal 
is in the digital domain.


I have been using an outboard audio processor, the BHI NEIM1031 quite 
successfully with the Flex 5000A.  It is quite effective in reducing the 
noise level on weak signals and making it possible to make otherwise 
difficult contacts.  The only drawback of the BHI is that it rolls off 
the high frequencies to a certain degree, but I have overcome that with 
an audio processor that uses shelf filters to boost the highs back up 
again.  The difference is dramatic.  This audio processor was built 
based on the plans in the ARRL Handbook 2011 edition (Audio 
Intelligibility Enhancer p. 24.36, originally published in QST Jan. 
2005).  The PC board was purchased from Far Circuits.  I highly 
recommend the combination of the two units to enhance weak signal 
intelligibility.


However, I still feel that it should be possible to do all of this 
within the PowerSDR software, without the need for add-on processors.  I 
would hope that this shortcoming is a future improvement that will be 
implemented is subsequent releases of the software.


73

Terry
VE3XTM

On 31/10/2011 20:37, Tim Ellison, W4TME wrote:
Don't use the NR and use the AGC-T control instead.  It works better 
on a greater variety of noise types.

http://kc.flexradio.com/KnowledgebaseArticle50153.aspx

-Tim
---
Tim Ellison, W4TME
Product Management, Sales & Support
FlexRadio Systems^(TM)
4616 W Howard Ln Ste 1-150
Austin, TX 78728
Phone: 512-535-4713 Ext. 223
Email: t...@flexradio.com 
Web: www.flexradio.com 

logo
/Tune In Excitement^(TM)
PowerSDR^(TM) is a trademark of FlexRadio Systems/


On 10/31/2011 3:11 PM, Bill Roberts wrote:
Can someone direct me to a good tutorial that will help me get the 
most out
of noise reduction on receive.  I've played around in PSDR, read the 
manual

and tried the knowledge base.  Help, anyone?  Thank you.



  Bill Roberts

Radio Station K8DXX



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Re: [Flexradio] Flex 5000A, VU5K and Transverters

[Terry Maurice]

Thanks Gary, Bill and Lee for your comments.

It sounds like the UV5K may be a worthy competitor to transverters.

I look forward to more comments.

Terry
VE3XTM

On 10/06/2011 16:38, Gary Crabtree wrote:

I have been using the Flex-5000A with the UV5K since the first 6 were made
on EME.  I have used the Yaesu FT-847 and also a LT 2S MK2 German
transverter before that.  I also had a FT-736.  None of these compare to
the Flex-5000A with the UV5K.  I think it is great.

KB8RQ, Gary
24X13 element horizontal
24X9 element vertical
http://www.spasalon.com/kb8rq/
kb...@spasalon.com
kb...@yahoo.com


-Original Message-
From: "William H. Fite"
To: Terry Maurice
Cc: FlexRadio@flex-radio.biz
Date: Fri, 10 Jun 2011 15:14:10 -0400
Subject: Re: [Flexradio] Flex 5000A, VU5K and Transverters


I, too, am interested in this topic and will welcome input and
guidance.

Bill




On Fri, Jun 10, 2011 at 2:25 PM, Terry Maurice
wrote:


Hello all

I am a new user of the Flex 5000A and I have some questions regarding

the

VU5K as compared to transverters.  I searched the archives but did

not find

answers to my questions.

I bought my Flex 5000A with the RX2 and antenna tuner, but not the

VU5K.  I

have been wondering how the VU5K compares to the use of transverters

for the

2m and 70cm bands for weak signal work.  I am interested also in

possible

EME operations.

I have read that most "serious" VHF/UHF users use transverters, but I
wonder if this paradigm has changed with the advent of the Flex Radio
Systems offerings.

Your thoughts and comments would be greatly appreciated.  If this

topic has

been covered before, then simply direct me to the appropriate

responses.  I

have not yet had time to familiarize myself with all the archival

materials

available here and on the Flex Radio site.

Thanks

Terry
VE3XTM

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[Flexradio] Flex 5000A, VU5K and Transverters

[Terry Maurice]

Hello all

I am a new user of the Flex 5000A and I have some questions regarding 
the VU5K as compared to transverters.  I searched the archives but did 
not find answers to my questions.


I bought my Flex 5000A with the RX2 and antenna tuner, but not the 
VU5K.  I have been wondering how the VU5K compares to the use of 
transverters for the 2m and 70cm bands for weak signal work.  I am 
interested also in possible EME operations.


I have read that most "serious" VHF/UHF users use transverters, but I 
wonder if this paradigm has changed with the advent of the Flex Radio 
Systems offerings.


Your thoughts and comments would be greatly appreciated.  If this topic 
has been covered before, then simply direct me to the appropriate 
responses.  I have not yet had time to familiarize myself with all the 
archival materials available here and on the Flex Radio site.


Thanks

Terry
VE3XTM

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Re: [Flexradio] Hercules interface

[Terry Maurice]

Thanks for posting the links.

What is the "feel" of these tuning knobs on the Hercules?   Are they 
weighted i.e. do they have the feeling of a regular tuning knob on a 
traditional transceiver?


Thanks

Terry
VE3XTM

On 15/05/2011 15:23, Tony Estep wrote:

Thanks to those who responded off-list to my previous post, and apologies to
all for not including these links:

http://www.youtube.com/watch?v=NR-ZwUaffI8

http://www.dh1tw.de/powersdr-ui#more-1213

Especially my apologies to
Tobias, DH1TW, who did all the cool work to make it possible, for leaving
out these links and full credit to him.

As one user points out, if you have a knob, you can assign VFO-B to it for
working split -- but even better is 2 knobs, so that both A and B are active
all the time; plus sliders to position the received signals from A and B in
the desired ears, plus sliders for AGC-T and AF gain, plus buttons to turn
split on/off, etc., plus a lot more.

The installation is very simple, involving nothing more than unpacking a
.zip file into the appropriate target directory. To map the device's
controls to the desired software control, there's a lovely interface that is
completely self-explanatory and works as it should.

Once you get this going, you're ready to rock n roll in the pileups, and if
you're like me, your general operating will be happier as well. I also
needed an outboard keyer with sidetone so I could turn off the radio's
delayed sidetone. Anyway, once I had it all set up, I liked it.

73,
Tony KT0NY




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Re: [Flexradio] Firewire connect problem

[Terry Maurice]

I recently went through the same problem.  My Flex 5000A was new this 
past week, as was my computer, an i7.  I initially installed a SIIG card 
which did not work well at all.  It was intermittent and unpredictable 
in boot up of the program.  I replaced it with a Syba IEEE 1394B which 
is backwards compatible to the 1394A.  It is a PCI board which the SIIG 
was not.  It has worked flawlessly since installation of the new board.


Terry

On 08/05/2011 20:52, Tim Ellison wrote:

VIA chipset are hit and miss in my experience.  Unfortunately it looks like you 
have a miss on your hands.  I recommend getting a PCI or PCIe bus connected 
Firewire card with a TI chipset.  SIIG or Syba are good choices.

-Tim


-Original Message-
From: flexradio-boun...@flex-radio.biz 
[mailto:flexradio-boun...@flex-radio.biz] On Behalf Of KC2TN
Sent: Sunday, May 08, 2011 8:12 PM
To: flexradio@flex-radio.biz
Subject: [Flexradio] Firewire connect problem

A little help please..

I've just upgraded my computer to an ASUS P8P67 motherboard with an i7-2600K 
along with a REVO SDD card.
I'm running Win7 Ultimate 64 Bit.
The ASUS MB firewire port is a VIA VT6308P controller chipset.

While the computer works AWSOME...the fastest one I've ever put together, I'm 
having problems getting my F5K working with the integrated firewire port.

It appears I've got a firewire connectivity issue.

I've loaded and removed PSDR 2.0.22 and the driver a few times with no success.

The 3.5.5.10185 driver loads OK but I get "no device found" when connecting the 
F5K. The firewire cable is from Granite.

I've tried the default Win7 Driver in addition to the "Legacy driver" with No 
Joy!

Before I go out and purchase a PCIe Firewire card, does anyone have any 
suggestions?

BTW the only other Firewire device I have is my iPod which works OK on the new 
computer and the integrated firewire port.
Also, the F5K still works fine on my old computer.

Thanks,
Joe - KC2TN


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